Family, Mint. Color, light purple. Calyx, 5-toothed, bell-shape, rather hairy. Corolla, with a narrow, long tube and spreading border. Flowers, in clusters of 4 to 6 growing in the upper leaf-axils. Stem, slender, erect, 8 to 18 inches high, hairy along the joints. Leaves, long and narrow, thin, pointed at both ends, with short petioles or sessile. July to September.